12sa7

Non-tube amp discussion to discuss music, girls, life, etc.

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ampmike
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12sa7

Post by ampmike »

Hey guys ,I stumbled on some 12sa7 Raytheon GT,what could I build or substitute these with?Mikey
Custom Built Amps for Sale!http://faithamps.weebly.com/
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Phil_S
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Re: 12sa7

Post by Phil_S »

High internal Ra....hmmm....maybe a good 6SJ7 sub for an input tube "pentode strapped?"
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martin manning
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Re: 12sa7

Post by martin manning »

This is a pentagrid tube, used as a mixer-oscillator in superhet receivers where it converts RF into IF. The word is they make lousy audio tubes.
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ampmike
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Thanks guys

Post by ampmike »

Thanks guys,they looked good ,I'll save or give to somebody just thought I would ask the experts,appreciate your help,mikey
Custom Built Amps for Sale!http://faithamps.weebly.com/
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